mail2.study-math.org - dns.ninja
mail2.study-math.org
| DNSSEC | ⚠️ Not signed | ||||||
study-math.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:39adCloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:93deCloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.57.173Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.147.222Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | barbara.ns.cloudflare.com ⭐ | ||||||
| NS | drew.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.57.173, 172.67.147.222 | ||||||
| IPv6 hints | 2606:4700:3031::6815:39ad, 2606:4700:3032::ac43:93de | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com | ||||||
| SOA | barbara.ns.cloudflare.comdns@cloudflare.com serial=2406622275 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (0 active, 1 former)
○A185.21.133.1602015-07-22 → 2016-02-11 · 4 obs
● 2015-07-22 15:09:36
● 2016-02-11 22:44:12
○ 2026-03-07 03:21:46
○ 2026-07-17 17:34:18
● 2016-02-11 22:44:12
○ 2026-03-07 03:21:46
○ 2026-07-17 17:34:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| study-math.org | drew.ns.cloudflare.com, barbara.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.160
NS records: drew.ns.cloudflare.com, barbara.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for study-math.org (unsigned zone)
⏱️ Timing
Total: 4732ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|